If `cosx+cosy+cosalpha=0` and `sinx+siny+sinalpha=0` then `cot((x+y)/2)=`
528 views · Published 13 October 2018 · 2:09 · Indexed 30 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `cosx+cosy+cosalpha=0` and `sinx+siny+sinalpha=0` then `cot((x+y)/2)=`
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